mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
ba3c46d24f
Deprecate more methods. Internal APIs have been verified to be unused elsewhere and removed. External APIs have had deprecation methods added. Existing deprecations have been either upgraded to produce warnings or no longer deprecated and the reasoning documented.
94 lines
2.6 KiB
Ruby
94 lines
2.6 KiB
Ruby
module Utils
|
|
module Shell
|
|
module_function
|
|
|
|
# take a path and heuristically convert it
|
|
# to a shell name, return nil if there's no match
|
|
def from_path(path)
|
|
# we only care about the basename
|
|
shell_name = File.basename(path)
|
|
# handle possible version suffix like `zsh-5.2`
|
|
shell_name.sub!(/-.*\z/m, "")
|
|
shell_name.to_sym if %w[bash csh fish ksh sh tcsh zsh].include?(shell_name)
|
|
end
|
|
|
|
def preferred
|
|
from_path(ENV.fetch("SHELL", ""))
|
|
end
|
|
|
|
def parent
|
|
from_path(`ps -p #{Process.ppid} -o ucomm=`.strip)
|
|
end
|
|
|
|
# quote values. quoting keys is overkill
|
|
def export_value(shell, key, value)
|
|
case shell
|
|
when :bash, :ksh, :sh, :zsh
|
|
"export #{key}=\"#{sh_quote(value)}\""
|
|
when :fish
|
|
# fish quoting is mostly Bourne compatible except that
|
|
# a single quote can be included in a single-quoted string via \'
|
|
# and a literal \ can be included via \\
|
|
"set -gx #{key} \"#{sh_quote(value)}\""
|
|
when :csh, :tcsh
|
|
"setenv #{key} #{csh_quote(value)};"
|
|
end
|
|
end
|
|
|
|
# return the shell profile file based on users' preferred shell
|
|
def profile
|
|
SHELL_PROFILE_MAP.fetch(preferred, "~/.bash_profile")
|
|
end
|
|
|
|
def prepend_path_in_profile(path)
|
|
case preferred
|
|
when :bash, :ksh, :sh, :zsh, nil
|
|
"echo 'export PATH=\"#{sh_quote(path)}:$PATH\"' >> #{profile}"
|
|
when :csh, :tcsh
|
|
"echo 'setenv PATH #{csh_quote(path)}:$PATH' >> #{profile}"
|
|
when :fish
|
|
"echo 'set -g fish_user_paths \"#{sh_quote(path)}\" $fish_user_paths' >> #{profile}"
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
SHELL_PROFILE_MAP = {
|
|
bash: "~/.bash_profile",
|
|
csh: "~/.cshrc",
|
|
fish: "~/.config/fish/config.fish",
|
|
ksh: "~/.kshrc",
|
|
sh: "~/.bash_profile",
|
|
tcsh: "~/.tcshrc",
|
|
zsh: "~/.zshrc",
|
|
}.freeze
|
|
|
|
UNSAFE_SHELL_CHAR = %r{([^A-Za-z0-9_\-.,:/@\n])}
|
|
|
|
module_function
|
|
|
|
def csh_quote(str)
|
|
# ruby's implementation of shell_escape
|
|
str = str.to_s
|
|
return "''" if str.empty?
|
|
str = str.dup
|
|
# anything that isn't a known safe character is padded
|
|
str.gsub!(UNSAFE_SHELL_CHAR, "\\\\" + "\\1")
|
|
# newlines have to be specially quoted in csh
|
|
str.gsub!(/\n/, "'\\\n'")
|
|
str
|
|
end
|
|
|
|
def sh_quote(str)
|
|
# ruby's implementation of shell_escape
|
|
str = str.to_s
|
|
return "''" if str.empty?
|
|
str = str.dup
|
|
# anything that isn't a known safe character is padded
|
|
str.gsub!(UNSAFE_SHELL_CHAR, "\\\\" + "\\1")
|
|
str.gsub!(/\n/, "'\n'")
|
|
str
|
|
end
|
|
end
|
|
end
|